Finding the Fourth Proportional to 226,326.08, 312,328.71 and 122,959.40
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Solution
The fourth proportional to 226,326.08, 312,328.71 and 122,959.40 is: 169,683.28
Step by Step Solution
- Step 1: Write the proportion equation
226,326.08 : 312,328.71 = 122,959.40 : x - Step 2: Convert to fraction form
226,326.08/312,328.71 = 122,959.40/x - Step 3: Cross multiply
226,326.08x = 312,328.71 × 122,959.40 - Step 4: Simplify right side
226,326.08x = 38,403,750,784.37 - Step 5: Solve for x
x = 38,403,750,784.37/226,326.08 - Step 6: Final answer
x = 169,683.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.